Tunneling mechanism implications from an STM study of H3C(CH2)15HC=C=CH(CH2)15CH3 on graphite and C14H29OH on MoS2

Article Abstract:

The bright spots in high-resolution scanning tunneling microscopy (STM) images of adsorbed alkanes and alkanols as confirmed by observations are predominantly due to the electronic and topographic structure of the molecule and not due to the substrate. Changes in the orientation of the exposed methylene hydrogen atoms relative to the STM tip produced changes in the observed pattern of bright spots in an STM image were evaluated. The results showed STM images of this system showed a pattern of bright spots within individual molecules.

Research, Analysis, Scanning tunneling microscopy, Alkanes, Tunneling (Physics), Graphite

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High-resolution X-ray photoelectron spectroscopic studies of alkylated silicon (111) surfaces

Article Abstract:

Hydrogen-terminated, chlorine-terminated, and alkyl-terminated crystalline silicon(111) surfaces are characterized using high-resolution, soft X-ray photoelectron spectroscopy from a synchrotron radiation source. The H-terminated Si(111) surface displayed a Si 2p(sub 3/2) peak at a binding energy 0.15 eV higher than the bulk Si 2p(sub 3/2) peak.

All Other Basic Inorganic Chemical Manufacturing, Silicon & Inorganic Compounds, Photoelectron spectroscopy, Chlorine compounds, Silicon compounds, Chemical properties

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